initial commit, 4.5 stable

platform/linuxbsd/tts_linux.h

@@ -0,0 +1,91 @@
+/**************************************************************************/
+/*  tts_linux.h                                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/os/thread.h"
+#include "core/os/thread_safe.h"
+#include "core/string/ustring.h"
+#include "core/templates/hash_map.h"
+#include "core/templates/list.h"
+#include "core/variant/array.h"
+#include "servers/display_server.h"
+
+#ifdef SOWRAP_ENABLED
+#include "speechd-so_wrap.h"
+#else
+#include <libspeechd.h>
+#endif
+
+class TTS_Linux : public Object {
+	_THREAD_SAFE_CLASS_
+
+	List<DisplayServer::TTSUtterance> queue;
+	SPDConnection *synth = nullptr;
+	bool speaking = false;
+	bool paused = false;
+	int last_msg_id = -1;
+	HashMap<int, int> ids;
+
+	struct VoiceInfo {
+		String language;
+		String variant;
+	};
+	mutable bool voices_loaded = false;
+	mutable HashMap<String, VoiceInfo> voices;
+
+	Thread init_thread;
+
+	static void speech_init_thread_func(void *p_userdata);
+	static void speech_event_callback(size_t p_msg_id, size_t p_client_id, SPDNotificationType p_type);
+	static void speech_event_index_mark(size_t p_msg_id, size_t p_client_id, SPDNotificationType p_type, char *p_index_mark);
+
+	static TTS_Linux *singleton;
+
+protected:
+	void _load_voices() const;
+	void _speech_event(int p_msg_id, int p_type);
+	void _speech_index_mark(int p_msg_id, int p_type, const String &p_index_mark);
+
+public:
+	static TTS_Linux *get_singleton();
+
+	bool is_speaking() const;
+	bool is_paused() const;
+	Array get_voices() const;
+
+	void speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false);
+	void pause();
+	void resume();
+	void stop();
+
+	TTS_Linux();
+	~TTS_Linux();
+};